Feedback method and apparatus for transmitting and receiving multicarrier signal in wireless mobile communication system

a wireless mobile communication system and multi-carrier technology, applied in electrical devices, radio transmission, network topologies, etc., to achieve the effect of minimizing spectrum interference, maximizing signal-to-interference-plus-noise ratio (sinr), and minimizing overload
US20170201317A1Active Publication Date: 2017-07-13SAMSUNG ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
SAMSUNG ELECTRONICS CO LTD
Publication Date
2017-07-13

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Abstract

This disclosure relates to a 5G or pre-5G communication system to be provided for supporting higher data transfer rate following a 4G communication system such as LTE. To accomplish the objective mentioned above, a method for transmitting and receiving a signal at a terminal in the mobile communication system according to one embodiment of the present application comprises the steps of: receiving, from a base station, a reference signal generated on the basis of a first filter; determining channel information on the basis of the received reference signal; transmitting the determined channel information to the base station; receiving, from the base station, information related to a second filter determined on the basis of the channel information; and receiving, from the base station, a data signal on the basis of the second filter. According to an embodiment of the present application, it is possible to maximize the signal-to-interference-plus-noise ratio (SINR) while minimizing spectral interference in the event of multiuser connection, by using a prototype filter application method and system structure.
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Description

TECHNICAL FIELD

[0001] The present invention relates to a feedback method and apparatus for multicarrier signal communication in a wireless mobile communication system. In detail, the present invention relates to a method and apparatus for improving communication performance using prototype filters in consideration of the channel condition and multiuser environment in filter bank-based multicarrier signal communication.BACKGROUND ART

[0002] Mobile communication systems were developed to provide subscribers with voice communication services on the move. Recently, mobile communication systems have evolved beyond the early voice-oriented services to the level of supporting high speed data communication services. However, resource shortages and user requirements for higher speed services have spurred evolution towards increasingly more advanced mobile communication systems.

[0003] In order to meet the increasing demand for wireless data traffic since the commercialization of 4G communication ...

Claims

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